CHAPTER 15Surveillance Robot
THE EVIL GENIUS’ LAIR IS PATROLLED by a security robot. This robot (Figure 15-1) wanders around the lair in a random manner, occasionally tripping up minions. It also serves the more practical but less amusing role of monitoring the lair when the Evil Genius is asleep at night.
The robot is equipped with a passive infrared sensor and a loud alarm. It will move around, occasionally stopping and monitoring the area in front of it with its PIR movement sensor. If it then detects any movement, it sounds the alarm.
This is another project based on an Arduino microcontroller board. It uses modified low-cost electric screwdrivers ...
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